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Sahay Sir > Question Answers > NCERT Exemplar Class 12 > Physics > Chapter 10 - Wave Optics > A beam of light consisting of two wavelengths 650 nm and 520 nm, is used to obtain interference fringes in a Young’s double slit experiment. (a) Find the distance of the third bright fringe on the screen from the central maximum for wavelength 650nm. (b) What is the least distance from the central maximum, where the bright fringes due to both the wavelength coincide ?

A beam of light consisting of two wavelengths 650 nm and 520 nm, is used to obtain interference fringes in a Young’s double slit experiment. (a) Find the distance of the third bright fringe on the screen from the central maximum for wavelength 650nm. (b) What is the least distance from the central maximum, where the bright fringes due to both the wavelength coincide ?

A beam of light consisting of two wavelengths 650 nm and 520 nm and (b) Refracted light? Refractive index of water is 1.33. frequency and speed of (a) Reflected Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength